Q: Is 991,065 a Prime Number?
A: No, 991,065 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 991065 can be evenly divided by 1 3 5 15 66,071 198,213 330,355 and 991,065, with no remainder.
Since 991,065 cannot be divided by just 1 and 991,065, it is not a prime number.